1 View all Hidalgo County, TX jobs in McAllen, TX - McAllen jobs. 2  Salary Search: Head Start salaries in McAllen, TX.  Related forums: Hidalgo County, TX - Mcallen, Texas.
Iron deficiency anemia  causing blue skin under the eyes. If there is a shortage of iron in the body, oxygen cannot be properly transported by the blood. Hemoglobin is the oxygen transporting component in the blood, moving oxygen from the lungs to the cells where it is released for normal cell metabolism.
Apart from that, some food allergies can also cause the area under the eyes to appear darker. In fact, dark circles in children often indicate allergy problems. Research also suggests that dark circles are linked to anemia, and liver diseases. Dark circles and anemia - Iron deficiency is one of the most common causes of inexplicable dark circles in many cases, which can be treated by making simple changes in your diet. Low iron levels is the most common form of anemia, and results in poor oxygenation in body tissues due to low supply of oxygenated blood.